//定義一個接收兩數(shù)商的方法，從鍵盤輸入 public static int quotient() { Scanner ss = new Scanner(System.in); System.out.println("========運(yùn)算開始========"); try { System.out.println("請輸入第一個數(shù)："); int x = ss.nextInt(); System.out.println("請輸入第二個數(shù)："); int y = ss.nextInt(); return x / y; }catch(ArithmeticException a) { System.out.println("除數(shù)不能為0！"); return 0; }catch(InputMismatchException i) { System.out.println("請輸入一個整數(shù)！"); return 1000000; }catch(Exception e) { System.out.println("程序出錯了！"); }finally { System.out.println("========運(yùn)算結(jié)束========"); } }